1.Mayo Clinic (Rochester, Minnesota, USA)

2.Cleveland Clinic (Cleveland, Ohio, USA)

3. Bourne Hall Clinic (Cambridge, UK)

4.Johns Hopkins Medicine (Baltimore, Maryland, USA)

5. Care fertility (various locations, UK)

6. SIRM (Sher Institutes for Reproductive Medicine, various locations, USA)

7.Barcelona IVF (Barcelona, Spain)

8.LIV Fertility Center (Puerto Vallarta, Mexico)

9.Monash IVF (Melbourne, Australia)

10.RMA (Reproductive Medicine Associates, various locations, USA)